/Engine/Source/Editor/PackagesDialog/Public/PackagesDialog.h
Adds a new item to the checkbox that represents a package
virtual void AddPackageItem ( [UPackage](API\Runtime\CoreUObject\UObject\UPackage) * InPackage, ECheckBoxState InChecked, bool InDisabled, [FString](API\Runtime\Core\Containers\FString) InIconName, [FString](API\Runtime\Core\Containers\FString) InIconToolTip )